/* Gem Swap — theme override on top of the shared arcade kit. */
:root { --accent: #9b7bff; }

#stage { background: #0c0e22; aspect-ratio: 3 / 4; max-height: 80vh; }
@media (min-width: 760px) { #stage { aspect-ratio: 1 / 1; max-width: 560px; margin: 0 auto; } }

.opt-row { display: flex; gap: 8px; justify-content: center; flex-wrap: wrap; }
.opt {
  padding: 11px 18px;
  min-height: 46px;
  border-radius: 999px;
  border: 1px solid var(--glass-border);
  background: rgba(255, 255, 255, 0.07);
  color: var(--text);
  font-family: inherit;
  font-size: 13px;
  font-weight: 700;
  cursor: pointer;
}
.opt.active { background: linear-gradient(135deg, var(--purple), #9b7bff); border-color: transparent; }